A useful model relates to the dairy industry, in particular to buttermaking batch. The oil producer includes a container and a churning mechanism. The container on one side is provided with a bottom, in the cross section, having the shape of a semicircle, and on the other side a filling window. The fill window is equipped with a lid. The container is mounted on the frame with the possibility of turning and fixing in the set position and the bottom is facing the base of the frame. The churning mechanism is located in the cavity of the container along its symmetry axis. The churning mechanism contains a shaft, screws, knitting needles and blades. The spokes are rigidly mounted on the shaft perpendicular to its geometric axis of rotation. The blades are rectangular and installed on the spokes along a helical line with an equal distance from each other and at an acute angle to the direction of rotation of the shaft. The augers are rigidly mounted on both sides of the shaft, one auger is right-sided, the other is left-handed, and spokes with blades are mounted on the shaft between the augers. The drive of the knockdown mechanism is located on the extension of the longitudinal axis of symmetry of the shaft of the knockdown mechanism from the side of the container, and a drain cock is installed under the bottom of the container. Such a design of the butter maker will improve the quality of the resulting butter.Полезная модель относится к маслодельной промышленности, в частности к маслоизготовителям периодического действия. Маслоизготовитель включает емкость и механизм сбивания. Емкость с одной стороны снабжена дном, в поперечном сечении имеющее форму полукруга, а с другой стороны заливным окном. Заливное окно снабжено крышкой. Емкость установлена на раме с возможностью поворота и фиксирования в заданном положении и дном обращена в сторону основания рамы. Механизм сбивания расположен в полости емкости по оси ее симметрии. Механизм сбивания содержит вал, шнеки, спицы и лопас
